docs: def get_logins(self, user_id, start_date=None):
          """Gets the login history for a user, default start_date is 30 days ago
  
          :param int id: User id to get
          :param string start_date: "%m/%d/%Y %H:%M:%s" formatted string.
          :returns: list https://softlayer.github.io/reference/datatypes/SoftLayer_User_Customer_Access_Authentication/
          Example::
              get_logins(123, '04/08/2018 0:0:0')
          """
  
          if start_date is None:
              date_object = datetime.datetime.today() - datetime.timedelta(days=30)
              start_date = date_object.strftime("%m/%d/%Y 0:0:0")
  
          date_filter = {
              'loginAttempts': {
                  'createDate': {
                      'operation': 'greaterThanDate',
                      'options': [{'name': 'date', 'value': [start_date]}]
                  }
              }
          }
          login_log = self.user_service.getLoginAttempts(id=user_id, filter=date_filter)
          return login_log